限速因素 的英文怎麼說

中文拼音 [xiànsùyīnsù]
限速因素 英文
rate limiting factor
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  • 限速 : maximum speed / speed limit
  1. Damage from poaching can rapidly become a limiting factor to productivity.

    踐踏造成的損害會迅速成為生產率的限制因素。
  2. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。
  3. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程，分析了在一定條件下，樣品體積收縮、晶體線生長速率變化、樣品厚度變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  4. The giant pandas ' naturally slow breeding rate prevents a population from recovering quickly from illegal hunting, habitat loss, and other human - related causes of mortality

    大熊貓自然繁殖的比率很低限制了種群的快速恢復，來自非法獵取，產地損失，還有其他人為因素影響死亡率。
  5. Since the departing process of fire work departing installation is a highly nonlinear transient dynamic process, it relates to many speciality field, and the characteristic of the material is very complex under the highly rate and highly pressure distortion, the design methods and the design formulae by experience which has been used for a long time are very limited, the facter which truly affect the departing process of fire work departing installation cannot been reflected in the design calculation, the structure modelling and optimization of the fire work departing installation is cannot been carried out by the traditional optimization method

    由於火工分離裝置的分離解鎖過程是一個高度非線性的瞬態動力過程，涉及多個學科和專業領域，而且材料在高速高壓條件下瞬時性態十分復雜，長期以來所沿用的經驗設計方法和設計經驗公式的局限性很大，對火工分離裝置分離解鎖過程一些實際有影響的因素不能定量地反映到設計計算中來，採用傳統優化方法無法實現火工分離裝置的結構優化建模和計算。
  6. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析，認為在熱流量小於攜帶極限時，影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限，此次所實驗的三種工質，最佳充液量應當在8g ~ 14g ；傳輸因素主要決定普通熱管的毛細極限，而不是重力熱管傳熱能力的決定因素；三種工質中的最佳工質是丙酮；小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用，但在風速大於1m / s以後，風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  7. The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid

    通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析，總體了解排種器結構參數和運動參數對其工作性能的影響，建立種子的運動方程，進而建立各主要參數（充種速度、清種角、護種角等）的數學模型，運用計算機輔助分析（ caa ）方法，通過visualbasic編製程序，對排種器工作過程中種子的運動進行動態模擬，找出影響排種器工作性能的主要因素，並對其參數進行優化，為合理地優化設計奠定了基礎。
  8. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  9. With the development task background of ctr200g precision centrifuge, the acceleration error factors of centrifuge system are qualitatively analyzed theoretically at first and also quantitatively calculated by means of finite element method, therefore, the structural optimum design problem of the load pan is proposed

    論文以「 ctr200g型精密離心機」的研製任務為背景，首先從理論上對引起離心機系統加速度誤差的因素進行了定性分析，並且採用了有限元方法對其進行了定量計算，由此提出了負載盤結構優化設計的問題。
  10. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  11. Then the nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser with 8ns laser pulse at 532nm. the factors that affect the performance of reverse saturable absorption and optical limiting of the materials were discussed. a phenomenological model is used to describe optical limiting phenomena

    用波長為532nm的yag倍頻調q脈沖激光以8ns的脈沖速率測試復合材料的反飽和吸收的光限幅特性，討論了各種因素對材料的三階非線性光學性質及反飽和吸收光限幅特性的影響，並對它們的反飽和吸收的光限幅現象進行了理論擬合。
  12. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  13. Among railway line ' s plane design parameter, the minimum radius of curve, transition curve ' s type and length, straight line between two curves, centre - to - centre distance of track are key factors which confine railway to bringing up speed, moreover these factors among maglev railway request even more strict

    由於高速磁懸浮鐵路採用了非接觸式的行車技術，舒適性將得到很好的改善。鐵路線路平面設計參數中，最小曲線半徑、緩和曲線長度、夾直線長度、線間距離是限制列車速度的關鍵因素，高速磁浮鐵路同樣如此。
  14. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中，針對1 . 5kw和18kw異步電機進行了模擬，並在此基礎上提出兩種簡化控制方式；在tms320f240的具體編程過程中，分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償；最後，在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗，實驗結果表明了演算法完全可以達到預期的目標。
  15. The main reasons are : the first, some characters influencing the risk of driving and the number of accidents that may be happen are not measurable, such as the well - trained degree of the drivers, the concentration degree of the attention during the driving hour, the speed of the reaction and the accuracy of the judgment in the nervous circumstance ; the second, because the classification variables are limited, the measurable characters of the risk are impossible to be contained in these variables ; the third, because of the existence of the moral risk, it very difficult to affirm that the classifying of the policyholders is right

    其主要原因為:第一、一些影響駕駛風險或出險次數的因素是不可度量的。例如駕駛員的駕駛熟練程度，駕駛時注意力的集中程度，在緊張情況下做出反應的速度以及判斷的準確性等;第二、由於分類變量有限，可度量的因素也不可能全部包含在這些變量中;第三、由於道德風險的存在，對投保人的分組很難肯定是正確的。如有的國家的機動車保險中要求投保人告知他們的年行駛里程數，在這種情況下，保險公司很難採取什麼措施避免投保人的故意低估。
  16. At first, the finite element formulation is presented to determine the flutter characteristics of laminated panels at elevated temperature. then both the linear and nonlinear panel flutter characteristics are analyzed. the panel flutter boundaries are finally determined and the effect of temperature, airflow speed, etc, on the panel flutter characteristics is analyzed

    為此，本文首先建立了復合材料壁板熱顫振的有限元模型並對受熱壁板的線性和非線性顫振特性進行了研究；最後確定了壁板的顫振邊界，分析了溫度、來流速度等因素對壁板顫振特性的影響規律。
  17. The timing - and - quantitation precision injection of lpg was realized with high - speed lpg solenoid valve and a set of electronic control system, which was designed by the author and can flexibly control the gas supply system of lpg. based on the analysis of experimental data got by comparing the performances before and after the application of the set of equipment on lr6105q12 diesel engine, the effects of load, speed and replace ratio, etc on the emissions of smoke, hc and co of dual fuel engine were expounded. through optimization, the smoke emission was utmostly reduced and the emissions of hc and co were within the government restriction

    為此，本文通過對各個方案進行詳細比較，選擇了電控多點順序噴射的供氣方案；利用高速lpg噴射閥和自己獨立開發出一套電子控制系統對lpg供氣進行靈活地控制，實現了lpg的定時定量噴射，並把這套裝置應用到中國一拖生產的lr6105q12柴油機上，在對改裝前後的發動機進行大量試驗和分析的基礎上，闡明了負荷、轉速、摻燒比等因素對雙燃料發動機的煙度、 hc 、 co等排放的影響情況，並且通過優化，最大限度地降低了發動機的煙度排放，同時使hc 、 co排放限制在國家標準規定的范圍之內。
  18. The supernatant fraction and the precipitation fractions were analyzed by western blotfor strain dh5 a / pkkfpga, 5 - 10 % pga precursors formed as inclusion bodies in the cytoplasm while no inclusion bodies formed in the periplasm, this suggested most pga precursors were transported to the periplasm and matured to active pga and indicated that the maturation of pga in strain dh5 / pkkfpga was limited by the translocation step

    Western印跡分析表明對于菌株dh5 pkkfpga ， 5 - 10的原前體青黴g素酰化酶在胞內形成了包涵體，說明其成熟的限速步驟在胞內的運輸階段，而菌株dh5 psmlfpga則無明顯包涵體形成，說明菌株dh5 psmlfpga改善了青霉素g酰化酶的合成流，因而其表達能力高於菌株dh5 pkkfpga 。
  19. ( c ) land natural productivity increase from 7843 kg / ( hm2 - a ) to 17335 kg / ( hm2 - a ) relate to altitude closely, and the mean rate of enhancing yield is 23. 53 percent in this region with annual enhancing - rate of 0. 64 percent in last 15 years. ( d ) there are many facters that have been influe ncing soil effective coefficient that ' s soil organic matter, total nitrogen, effective phosphine and soil texture in turn. in a word, attenuation cause of land productivity is the result of water and soil. ( e ) the forestland potential productivity change from 3986 kg / hm2 to 15034 kg / hm2, but it has a high distinction between southern aera and north area in yaan city. ( f ) the grassland potential productivity increase from 4085 kg / ( hm2 - a ) to 16973 kg / ( hm2 - a ), but it has a high classification of potential productivity, ( g ) ditribution map was formed of potential land productivity. ( h ) it could be act as decision support for agriculture development, national land planning and ecotop constructive, etc

    5 、土地自然生產潛力水平的主要土壤限制因素為有機質、全氮，其次為速效磷和土壤質地；區域潛在生產力差異的制約因素，主要為土壤，次為水分，水、土兩項衰減合計為45 . 99 ，石棉、漢源兩縣水、土衰減達到60左右。 6 、林地潛力在3986 15034kg / hm ~ 2之間，高等級林地比重小，以大相嶺為界，北部的各縣林地生產力水平高，南部的兩縣林地生產力水平較低。 7 、天然草地生產潛力水平高，潛力在16973 4085kg / （ hm ~ 2 ? a ）之間，以高產的一、二、三級草地為主，且近10年來該比例變化不大。
  20. The industrialization theories of agriculture country of peikang chang mostly appears on his doctoral dissertation, agriculture and industrialization, completed in 1945. this thesis deals with the theories on the book from seven aspects : 1, the scientific, special but integrate industrialization definition ; 2, the relation theories between agriculture and industry ; 3, the industrialization launching and limiting factor, 4, the industrialization ' s beginning, procedure, stage and speed ; 5, the adjustment and fluctuation of agricultural construction in course of industrialization ; 6, the f oreign trade and using of the foreign capital in course of industrialization ; 7, the relation theories of the agriculture country and industry country

    張培剛的農業國工業化理論主要體現在他1945年完成的博士論文《農業與工業化》一書中。本文從七個方面概述了該書的主要理論： 1 、科學、獨特而全面的工業化內涵； 2 、農業與工業的相互依存關系理論； 3 、工業化的發動因素和限制因素； 4 、工業化的開始、程序、階段和速度； 5 、工業化進程中農業結構的調整與變動； 6 、工業化進程中的對外貿易和利用外資； 7 、農業國與工業國的關系理論。
分享友人
分享到 Line

分享到臉書